Density<span> is </span>mass<span> per unit of </span>volume<span>. We find the </span>mass<span> of a given </span>volume<span>of the </span>substance<span> under inspection and compute its </span>density<span> from that. </span>Density<span> is one of the basic physical characteristics of a </span>substance<span>.</span>
The phase of matter where atoms lose their electrons is plasma. It requires quite a bit of heat, too.
Explanation:
The basis for classifying changes in matter into physical and chemical change is to see if a material is altered after going through a process.
In a physical change only the state of matter is usually altered especially its form or shape.
Chemical change alters a substance by producing new kinds that are totally different from it.
- In a chemical change, new kinds of matter are usually formed.
- Such changes are usually irreversible.
- Change of state is a reversible process.
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The answer is b it will always be equal
Answer: The statement which could possibly not be true is C -" Liquid X can exist as a stable phase at 25°C, 1atm."
Explanation:
Triple point is the point where a substance co-exist as solid liquid and gas. At any point other than the triple point, the substance exist as a single phase substance.
As shown in the diagram, Liquid cannot exist as a stable phase at 1atm( below the the triple point pressure of 2atm) as the liquid can only exist beyond the pressure of triple point.